18662996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{151}}^1$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 36554784

約数和(自身を除く): 17891788

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 151, 212, 302, 583, 604, 1166, 1661, 2332, 2809, 3322, 5618, 6644, 8003, 11236, 16006, 30899, 32012, 61798, 88033, 123596, 176066, 352132, 424159, 848318, 1696636, 4665749, 9331498, 18662996]

約数ペア:

[(1, 18662996), (2, 9331498), (4, 4665749), (11, 1696636), (22, 848318), (44, 424159), (53, 352132), (106, 176066), (151, 123596), (212, 88033), (302, 61798), (583, 32012), (604, 30899), (1166, 16006), (1661, 11236), (2332, 8003), (2809, 6644), (3322, 5618)]